23021440273 has 8 divisors (see below), whose sum is σ = 26250692328. Its totient is φ = 20000527104.

The previous prime is 23021440237. The next prime is 23021440331. The reversal of 23021440273 is 37204412032.

It can be written as a sum of positive squares in 4 ways, for example, as 3430679184 + 19590761089 = 58572^2 + 139967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23021440273 - 2¹³ = 23021432081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23021140273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52084486 + ... + 52084927.

It is an arithmetic number, because the mean of its divisors is an integer number (3281336541).

Almost surely, 2^23021440273 is an apocalyptic number.

It is an amenable number.

23021440273 is a deficient number, since it is larger than the sum of its proper divisors (3229252055).

23021440273 is a wasteful number, since it uses less digits than its factorization.

23021440273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104169443.

The product of its (nonzero) digits is 8064, while the sum is 28.

The spelling of 23021440273 in words is "twenty-three billion, twenty-one million, four hundred forty thousand, two hundred seventy-three".